Compaq Pro 6300 Hardware Reference Guide Elite 8300 Touch All-in-One Business - Page 50

Replacing the Optical Disc Drive, CAUTION

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29. To replace the access panel, set the panel on the back of the computer, slightly above the stand, and slide it down into place. Figure 2-53 Replacing the Access Panel 30. Reconnect the power cord and external devices. 31. Lock any security devices that were disengaged when the access panel was removed. 32. Turn on the computer. Replacing the Optical Disc Drive The optical disc drive is located above the hard disc drive on the left side of the computer (when viewed from behind). 1. Remove all removable media, such as compact discs or USB flash drives, from the computer. 2. Turn off the computer properly through the operating system, then turn off any external devices. 3. Disconnect the power cord from the power outlet and disconnect any external devices. CAUTION: Regardless of the power-on state, voltage is always present on the system board as long as the system is plugged into an active AC outlet. You must disconnect the power cord to avoid damage to the internal components of the computer. 4. Remove/disengage any security devices that prohibit opening the computer. 5. Place the computer face down on a soft flat surface. HP recommends that you set down a blanket, towel, or other soft cloth to protect the bezel and screen surface from scratches or other damage. 44 Chapter 2 Hardware Repair and Upgrade

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29.
To replace the access panel, set the panel on the back of the computer, slightly above the stand,
and slide it down into place.
Figure 2-53
Replacing the Access Panel
30.
Reconnect the power cord and external devices.
31.
Lock any security devices that were disengaged when the access panel was removed.
32.
Turn on the computer.
Replacing the Optical Disc Drive
The optical disc drive is located above the hard disc drive on the left side of the computer (when
viewed from behind).
1.
Remove all removable media, such as compact discs or USB flash drives, from the computer.
2.
Turn off the computer properly through the operating system, then turn off any external devices.
3.
Disconnect the power cord from the power outlet and disconnect any external devices.
CAUTION:
Regardless of the power-on state, voltage is always present on the system board as
long as the system is plugged into an active AC outlet. You must disconnect the power cord to
avoid damage to the internal components of the computer.
4.
Remove/disengage any security devices that prohibit opening the computer.
5.
Place the computer face down on a soft flat surface. HP recommends that you set down a blanket,
towel, or other soft cloth to protect the bezel and screen surface from scratches or other damage.
44
Chapter 2
Hardware Repair and Upgrade